Buggy code:
private int convertTestFunction ( TestFunction testFunc ) { } public void setViewPort ( int x , int y , int w , int h ) { } public void setClipRect ( int x , int y , int width , int height ) { } public void clearClipRect ( ) { } public void postFrame ( ) { } public void setWorldMatrix ( Matrix4f worldMatrix ) { } public void setViewProjectionMatrices ( Matrix4f viewMatrix , Matrix4f projMatrix ) { } protected void updateUniformLocation ( Shader shader , Uniform uniform ) { } protected void bindProgram ( Shader shader ) { } protected void updateUniform ( Shader shader , Uniform uniform ) { } protected void updateShaderUniforms ( Shader shader ) { } protected void resetUniformLocations ( Shader shader ) { } public void setLighting ( LightList list ) { } public int convertShaderType ( ShaderType type ) { } public void updateShaderSourceData ( ShaderSource source ) { int id = source . getId ( ) ; if ( id == ( - 1 ) ) { id = glCreateShader ( convertShaderType ( source . getType ( ) ) ) ; if ( id <= 0 ) { throw new RendererException ( "Invalid<seq2seq4repair_space>ID<seq2seq4repair_space>received<seq2seq4repair_space>when<seq2seq4repair_space>trying<seq2seq4repair_space>to<seq2seq4repair_space>create<seq2seq4repair_space>shader." ) ; } source . setId ( id ) ; } else { throw new RendererException ( "Cannot<seq2seq4repair_space>recompile<seq2seq4repair_space>shader<seq2seq4repair_space>source" ) ; } String language = source . getLanguage ( ) ; stringBuf . setLength ( 0 ) ; if ( language . startsWith ( "GLSL" ) ) { int version = Integer . parseInt ( language . substring ( 4 ) ) ; if ( version > 100 ) { stringBuf . append ( "#version<seq2seq4repair_space>" ) ; stringBuf . append ( language . substring ( 4 ) ) ; if ( version >= 150 ) { stringBuf . append ( "<seq2seq4repair_space>core" ) ; } stringBuf . append ( "\n" ) ; } else { stringBuf . append ( "#version<seq2seq4repair_space>110\n" ) ; } } updateNameBuffer ( ) ; byte [ ] definesCodeData = source . getDefines ( ) . getBytes ( ) ; byte [ ] sourceCodeData = source . getSource ( ) . getBytes ( ) ; ByteBuffer codeBuf = BufferUtils . createByteBuffer ( ( ( ( nameBuf . limit ( ) ) + ( definesCodeData . length ) ) + ( sourceCodeData . length ) ) ) ; codeBuf . put ( nameBuf ) ; codeBuf . put ( definesCodeData ) ; codeBuf . put ( sourceCodeData ) ; codeBuf . flip ( ) ; glShaderSource ( id , codeBuf ) ; glCompileShader ( id ) ; glGetShader ( id , GL_COMPILE_STATUS , intBuf1 ) ; boolean compiledOK = ( intBuf1 . get ( 0 ) ) == ( GL_TRUE ) ; String infoLog = null ; if ( ( LwjglRenderer . VALIDATE_SHADER ) || ( ! compiledOK ) ) { glGetShader ( id , GL_INFO_LOG_LENGTH , intBuf1 ) ; int length = intBuf1 . get ( 0 ) ; if ( length > 3 ) { ByteBuffer logBuf = BufferUtils . createByteBuffer ( length ) ; glGetShaderInfoLog ( id , null , logBuf ) ; byte [ ] logBytes = new byte [ length ] ; logBuf . get ( logBytes , 0 , length ) ; infoLog = new String ( logBytes ) ; } } if ( compiledOK ) { if ( infoLog != null ) { LwjglRenderer . logger . log ( Level . WARNING , "{0}<seq2seq4repair_space>compiled<seq2seq4repair_space>successfully,<seq2seq4repair_space>compiler<seq2seq4repair_space>warnings:<seq2seq4repair_space>\n{1}" , new Object [ ] { source . getName ( ) , infoLog } ) ; } else { LwjglRenderer . logger . log ( Level . FINE , "{0}<seq2seq4repair_space>compiled<seq2seq4repair_space>successfully." , source . getName ( ) ) ; } source . clearUpdateNeeded ( ) ; } else { <START_BUG> LwjglRenderer . logger . log ( Level . WARNING , "Bad<seq2seq4repair_space>compile<seq2seq4repair_space>of:\n{0}" , new Object [ ] { ShaderDebug . formatShaderSource ( source . getDefines ( ) , source . getSource ( ) , stringBuf . toString ( ) ) } ) ; <END_BUG> if ( infoLog != null ) { throw new RendererException ( ( ( ( "compile<seq2seq4repair_space>error<seq2seq4repair_space>in:<seq2seq4repair_space>" + source ) + "\n" ) + infoLog ) ) ; } else { throw new RendererException ( ( ( "compile<seq2seq4repair_space>error<seq2seq4repair_space>in:<seq2seq4repair_space>" + source ) + "\nerror:<seq2seq4repair_space><not<seq2seq4repair_space>provided>" ) ) ; } } } public void updateShaderData ( Shader shader ) { } public void setShader ( Shader shader ) { } public void deleteShaderSource ( ShaderSource source ) { } public void deleteShader ( Shader shader ) { } public void copyFrameBuffer ( FrameBuffer src , FrameBuffer dst ) { } public void copyFrameBuffer ( FrameBuffer src , FrameBuffer dst , boolean copyDepth ) { } private String getTargetBufferName ( int buffer ) { } private void printRealRenderBufferInfo ( FrameBuffer fb , RenderBuffer rb , String name ) { } private void printRealFrameBufferInfo ( FrameBuffer fb ) { } private void checkFrameBufferError ( ) { } private void updateRenderBuffer ( FrameBuffer fb , RenderBuffer rb ) { } private int convertAttachmentSlot ( int attachmentSlot ) { } public void updateRenderTexture ( FrameBuffer fb , RenderBuffer rb ) { } public void updateFrameBufferAttachment ( FrameBuffer fb , RenderBuffer rb ) { } public void updateFrameBuffer ( FrameBuffer fb ) { } public Vector2f [ ] getFrameBufferSamplePositions ( FrameBuffer fb ) { } public void setMainFrameBufferOverride ( FrameBuffer fb ) { } public void setFrameBuffer ( FrameBuffer fb ) { } public void readFrameBuffer ( FrameBuffer fb , ByteBuffer byteBuf ) { } private void deleteRenderBuffer ( FrameBuffer fb , RenderBuffer rb ) { } public void deleteFrameBuffer ( FrameBuffer fb ) { } private int convertTextureType ( Texture . Type type , int samples , int face ) { } private int convertMagFilter ( Texture . MagFilter filter ) { } private int convertMinFilter ( Texture . MinFilter filter , boolean haveMips ) { } private int convertWrapMode ( Texture . WrapMode mode ) { } @ SuppressWarnings ( "fallthrough" ) private void setupTextureParams ( Texture tex ) { }

Fix:
LwjglRenderer . logger . log ( Level . WARNING , "Bad<seq2seq4repair_space>compile<seq2seq4repair_space>of:\n{0}" , new Object [ ] { ShaderDebug . formatShaderSource ( ( ( ( stringBuf . toString ( ) ) + ( source . getDefines ( ) ) ) + ( source . getSource ( ) ) ) ) } ) ;